// Created by hfwei on 2024/12/25.

#include <stdio.h>

// Fib(92) =  7 540 113 804 746 346 429
// long long: 9 223 372 036 854 775 807
// Fib(93) = 12 200 160 415 121 876 738
int main(void) {
  int n;
  scanf("%d", &n);

  long long fib0 = 0L;
  long long fib1 = 1L;

  // TODO: computing fib(n)

  return 0;
}